package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo4 {
    public static void main(String[] args)  {
//        Class.forName("com.mysql.cj.jdbc.Driver");
//        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
//                "root","root");

        try (Connection connection = DBUtil.getConnection();){

            Statement statement = connection.createStatement();
            String sql = "DELETE FROM userinfo WHERE id =1";
            int i = statement.executeUpdate(sql);
            System.out.println(i>0?"删除成功":"删除失败");
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
